This is disingenuous moral panic and a good example of the motte-and-bailey approach the UK press uses to discredit proper medical treatment of trans youth.
Conflating sexual identity with precocious sexuality is clown-car category duplicity. Sometimes the audience here even takes offence at being treated like that.
It's really simple:
You are either OK with kids having control of their bodies up to and including invasive surgery and having sex with who they want or you are not.
Anything in between is either pedophiles trying to push the narrative on their side, or idiots not understanding what they are doing.